Ptychocolem. franz stephani. species iiepaticarum (Vol. V, 1912). 



stricta, levi sinu in folii marginem excurrente. Amphigastria caulina reni- 

 forraia, caule 5 plo latiora, subtransverse inserta, late obcuneata, 

 apice truncata. Perianthia pyriformia, parva, 5 plicata, plicis inflatis, 

 brevibus, rostro parvo. FoUa floralia intima magna, caulinis duplo 

 longiora, ovato-oblonga, longe attenuata, apice setacea lobulo aequi- 

 longo anguste lanceolato, ad 7^ soluto, longius setaceo; Amphigas- 

 trium florale int. oblongo-ellipticum, duplo longius quam latum, ad 

 Vs emarginato- bifidum, laciniis longe setaceis. Andrcecia magna, longe 

 spicata, bracteis ad 16 jugis. 

 Hab. Samoa. 



74. Ptychocoleus spongiosus St. n. sp. 



Autoica minor, pallide-olivacea, in cortice spongiose caespitans. 

 Caulis ad 2 cm. longus, irregulariter ramosus. Folia caulina conferta, 

 squarrose patula, in plano late ovata (0,93 mm. longa, 0,8 mm, lata) 

 apice rotundata, ad medium accreta, asymmetrica, basi antica truncato- 

 rotundata. Cellulse superse 18X27 ^x trigonis subnullis, basales 27X45 [t 

 trigonis parvis. Lobulus in situ occultus, in plano rectangulatus, duplo 

 longior quam latus, oblique truncatus, regulariter mamillatus, mamillis 

 6-7, remotis. Amphigastria caulina reniformia, duplo latiora quam 

 longa, subtransverse inserta, caule duplo latiora, apice truncata. 

 Perianthia late pyriformia, immersa, 5 plicata, plicis angustis, longe 

 decurrentibus, rostro longo valido. Folia floralia intima perianthio 

 longiora, oblongo-falcata, obtusa, lobulo lanceolato, vix breviore brevi- 

 terque soluto, obtuso. Amphigastrium florale int. optime ligulatum, 

 lobulo aequilongum, duplo longius quam latum, apice brevissime exciso- 

 bidentatum, rima angusta. Androecia magna, bracteis ad 8 jugis. 



Hab. Insulse Philippinae. 



75. Ptychocoleus squarrosifolius St. n. sp. 



Dioica, major, robusta flavescens, in cortice laxe caespitans. Caulis 

 ad 4 cm. longus, sparsim breviterque ramosus. Folia caulina conferta, 

 squarrose patula apiceque hamata, in plano quadrato-rotundata (1 ,2 mm. 

 longa, 1 mm. lata) asymmetrica, apice rotundata, ad medium accreta, 

 basi antica grosse rotundato-appendiculata. Cellulse superse 14X27 jt 

 trigonis magnis acutis, basales 18X45 (/,, trigonis magnis, saepe trabe- 

 culatim confluentibus. Lobulus occultus, in plano semirotundus, i. e. 

 carina stricta, margine supero semicirculari, apice itaque angusto 

 exciso, angulo apiculato. Amphigastria caulina gigantea, caule sextuplo 

 latiora, late obcuneata sinuatim inserta, apice truncata. Perianthia 

 pyriformia, 5 plicata, plicis ad medium decurrentibus, posticis ssepe 



55 



